Today, many poultry farmers prefer to raise poultry themselves. With the right approach, this allows you to breed healthy and full-fledged offspring, without purchasing chickens from farmers and poultry farms. But even when using modern equipment, novice poultry breeders are faced with the fact that the chicks do not hatch. Why does this happen, and is there any way to prevent this result even before the eggs are laid in the incubator?